The PC87427-ICK/VLA is a highly integrated Super I/O controller manufactured by Nuvoton Technology Corporation of America. This chip provides a range of essential functionalities for PC systems, focusing on legacy I/O requirements while incorporating modern power management features.

Applications

• Desktop PCs
• Embedded Systems
• Industrial Control Systems
• Motherboard Integration

Features

• Floppy Disk Controller (FDC): Supports standard floppy disk drives with data transfer rates up to 1 Mbps.
• Serial Ports (UARTs): Provides multiple UARTs (Universal Asynchronous Receiver/Transmitters) for serial communication.
• Parallel Port (LPT): Includes a standard parallel port for printer connectivity and other legacy peripherals.
• Keyboard and Mouse Controller: Integrated keyboard and mouse controller functionality.
• Hardware Monitoring: Monitors system voltages, temperatures, and fan speeds.
• Power Management: Supports ACPI (Advanced Configuration and Power Interface) for efficient power management.
• Infrared (IrDA) Controller: Facilitates wireless communication via IrDA.
• GPIO (General Purpose Input/Output) Pins: Offers a number of configurable GPIO pins for custom applications.

Benefits

• Comprehensive I/O Solution: Integrates multiple legacy I/O functions into a single chip, reducing board space and cost.
• Enhanced System Monitoring: Provides real-time monitoring of critical system parameters to prevent overheating and other failures.
• Improved Power Efficiency: Supports ACPI power management to minimize energy consumption.
• Flexible Configuration: Allows customization of I/O settings to meet specific system requirements.
• Legacy Device Support: Ensures compatibility with older peripherals and devices.

Technical Specifications

The PC87427-ICK/VLA typically operates within a 3.3V or 5V power supply range. It is often packaged in a LQFP (Low-profile Quad Flat Pack) or similar surface-mount package. Specific operating temperature ranges and electrical characteristics can vary; refer to the official Nuvoton datasheet for detailed specifications. It interfaces with the system chipset via the LPC (Low Pin Count) bus.